KESHAV R. NAYAK, MD, AMC
NPI 1528559242
Internal Medicine - Cardiovascular Disease in San Diego, CA
About Keshav R. Nayak, Md, Amc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KESHAV R. NAYAK, MD, AMC (NPI 1528559242) is a healthcare organization registered as a cardiovascular disease in San Diego, California and active in the NPI registry since May 2018. The organization lists Keshav R. Nayak, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Keshav R. Nayak, Md, Amc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Keshav R. Nayak, MD, Amc, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Keshav R. Nayak, MD, Amc's NPI number?
The NPI number for Keshav R. Nayak, MD, Amc is 1528559242. It was assigned to this organization in the NPPES registry on May 29, 2018.
Where is Keshav R. Nayak, MD, Amc located?
Keshav R. Nayak, MD, Amc is located at 501 Washington St Ste 512, San Diego, CA 92103. The listed phone number is (619) 297-0014.
What is Keshav R. Nayak, MD, Amc's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Keshav R. Nayak, MD, Amc enrolled in Medicare?
Yes. Keshav R. Nayak, MD, Amc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Keshav R. Nayak, MD, Amc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Interventional Cardiology) reassigns their Medicare billing to Keshav R. Nayak, MD, Amc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Keshav R. Nayak, MD, Amc was last updated on May 29, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Keshav R. Nayak, Md, Amc · NPI 1528559242
Cardiovascular Disease organization in San Diego, California. Organization record, active in the CMS NPPES registry since May 29, 2018.
## Identity
- **NPI:** 1528559242 (Entity type: Organization)
- **Enumerated:** May 29, 2018
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **Organization subpart:** No
- **Authorized official:** Keshav Nayak, PRESIDENT
## Practice location
- **Address:** 501 WASHINGTON ST STE 512, San Diego, CA 92103-2238
- **Phone:** (619) 297-0014 · **Fax:** (619) 297-1014
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Interventional Cardiology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 29, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1528559242) · Data from the CMS NPPES public registry.